/**
 * Project: complex.designpattern
 * 
 * File Created at 2010-4-6
 * $Id$
 * 
 * Copyright 2008 Alibaba.com Croporation Limited.
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of
 * Alibaba Company. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Alibaba.com.
 */
package facade;

/**
 * @author cbf4Life cbf4life@126.com I'm glad to share my knowledge with you
 *         all. 定义一个写信的过程
 */
public interface LetterProcess {
    //首先要写信的内容
    public void writeContext(String context);

    //其次写信封
    public void fillEnvelope(String address);

    //把信放到信封里
    public void letterInotoEnvelope();

    //然后邮递
    public void sendLetter();
}
